Overtime Pay Calculator
No data is sent to any server. All calculations run in your browser.
When to use this tool
- Want to check if overtime pay is being calculated correctly
- Want to claim unpaid overtime after leaving a job
- Want to verify if fixed overtime pay is fair
- Need to estimate 2-3 years of unpaid overtime
Salary Information
Used to calculate base hourly rate
yen
Base pay + allowances (excl. family & commuting)
As stated in employment rules or contract
Typically 20-22 days for salaried workers
FAQ
残業代の時効は何年ですか？
2020年4月1日以降に支払期日が到来する賃金は3年（当分の間。本則は5年）。それ以前は2年です。
固定残業代（みなし残業）は合法ですか？
固定残業代は、対象時間数と金額が明示されている場合に限り有効です。超過分は別途支払う必要があります。
付加金とは何ですか？
労働基準法114条に基づき、裁判所が未払い残業代と同額までの付加金の支払いを命じることがあります。事実上の制裁金です。
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